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UV photoinitiator

BENZOYL ISOPROPANOL

CAS 7473-98-5
55

Safety score · 0–100

Moderate

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

Benzoyl isopropanol, also known as 2-hydroxy-2-methyl-1-phenylpropan-1-one, is a UV photoinitiator used to cure gel nail polishes. It is associated with skin sensitization in salon settings.

Skin benefits

  • Acts as a free-radical photoinitiator in UV-cured nail and gel products
  • Enables fast curing of UV gel coatings

Known concerns

  • GHS H302 harmful if swallowed
  • Hazard data show aquatic toxicity (H400/H410/H412 in some notifications)
  • Photoinitiators can cause contact allergy in nail technicians and consumers
  • Mostly relevant to nail products, not facial skincare

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

Related uv photoinitiators

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.